Question

order the topics from broadest to narrowest. broader use of chemicals to kill pests on cotton crops risk of cancer due to chemicals used on cotton danger to humans of chemicals used on cotton chemical methods of ridding crops of pests

Explanation:

First, "chemical methods of ridding crops of pests" is the broadest as it encompasses all chemical pest - ridding methods for all crops. Second, "use of chemicals to kill pests on cotton crops" narrows it down to cotton crops. Third, "danger to humans of chemicals used on cotton" further restricts to the danger aspect for humans. Fourth, "risk of cancer due to chemicals used on cotton" is the most narrow as it focuses on a specific type of danger (cancer).

Answer:

1. chemical methods of ridding crops of pests
2. use of chemicals to kill pests on cotton crops
3. danger to humans of chemicals used on cotton
4. risk of cancer due to chemicals used on cotton